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Small black rectangular laptop cooling fan with cable and connector

DBTLAP

DBTLAP VGA Fan for Lenovo B31R3 B31R4 S300 B305

SKU CH-S1HP-EQ429

Replacement VGA cooling fan for select Lenovo laptops, tested before shipping

  • Compatible with Lenovo B31R3 B31R4 S300 B305 models
  • Tested individually before shipping for reliable operation
  • Replaces DFS400805L10T F980 23.10429.021 part numbers
  • Manufactured by Forcecon ADDA Sunon or Kipo suppliers
  • Single fan unit supplied ready for installation

Replacement VGA Cooling Fan

This replacement VGA cooling fan is designed for Lenovo B31R3, B31R4, S300 and B305 laptops. It matches part numbers DFS400805L10T, F980 and 23.10429.021. Each unit is tested before shipping to confirm operation.

For owners of listed Lenovo models

Buyers with a Lenovo B31R3, B31R4, S300 or B305 needing a direct VGA fan replacement will find the correct fit here. Builders working on other laptop models or different Lenovo series should look elsewhere because the mounting and connector are specific to these machines.

Connector and mounting compatibility

The single specification that decides fit is the exact connector pin-out and screw-hole pattern matching part numbers DFS400805L10T, F980 and 23.10429.021. Verify these codes on your original fan before ordering.

How it compares

Measured against everything we stock in Laptop Cooling Stands & Fans, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 85% of the 6,190 comparable items (median $20.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the fan bearings or motor need replacement after long use?

The fan is tested individually before shipping and carries a 9‑month warranty from the supplier.

What limits continuous operation before the fan slows down?

The fan is designed as a direct VGA cooler for the listed Lenovo models and runs at the speed set by the laptop's thermal controller.

How much noise or heat does the fan add when the laptop runs all day?

The replacement fan matches the original specification, so acoustic and thermal output stays consistent with the factory cooling design.

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